/*
 * This file is part of the eccOS Library.
 * Copyright (C) 2007.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */
package org.openeccos;

import org.openeccos.gui.PDWindowPane;
import org.openeccos.util.ILookAndFeel;
import org.openeccos.util.PDUtil;

import nextapp.echo2.app.Border;
import nextapp.echo2.app.Component;
import nextapp.echo2.app.Extent;
import nextapp.echo2.app.Font;
import nextapp.echo2.app.Insets;
import nextapp.echo2.app.WindowPane;
import nextapp.echo2.app.event.WindowPaneEvent;
import nextapp.echo2.app.event.WindowPaneListener;
import echopointng.Menu;
import echopointng.MenuBar;
import echopointng.MenuItem;

/**
 * An abstract implementation for providing a perspective Extends this class to
 * provide a personalized view of your desktop
 */
public abstract class EccosPerspective {

	protected EccosDesktop desktop;

	public void addWindow(final Component c) {
		desktop.addWindow(c);
		if (c instanceof WindowPane) {
			((PDWindowPane)c).addWindowPaneListener(new WindowPaneListener() {
				public void windowPaneClosing(WindowPaneEvent e) {
					desktop.remove(c);
					c.dispose();
					System.gc();
				}
			});
		}
	}

	public abstract ILookAndFeel getLookAndFeel();

	public Menu getMenu(String name) {
		return getMenu(name, null);
	}

	public Menu getMenu(String name, String icon) {
		Menu menu = new Menu(name);
		menu.setClickToOpen(true);
		menu.setBackground(getLookAndFeel().getBackgroundDark());
		menu.setForeground(getLookAndFeel().getForeGround());
		menu.setBorder(new Border(0, null, Border.STYLE_NONE));
		menu.setRolloverEnabled(true);
		menu.setRolloverBackground(getLookAndFeel().getBackgroundDark2());
		menu.setRolloverBorder(new Border(0, null, Border.STYLE_NONE));
		menu.setFont(new Font(Font.VERDANA, Font.PLAIN, new Extent(11)));
		menu.setSubmenuImage(PDUtil.getImage("img/submenu.gif"));
		menu.setMenuBackground(getLookAndFeel().getBackgroundDark());
		menu.setMenuBorder(new Border(0, null, Border.STYLE_NONE));
		menu.setInsets(new Insets(0, 0, 0, 0));
		if (icon != null) {
			menu.setIcon(PDUtil.getImage(icon));
		} else {
			menu.setIcon(PDUtil.getImage("img/empty16.gif"));
		}
		return menu;
	}

	public MenuBar getMenuBar() {
		return desktop.menuBar;
	}

	public MenuItem getMenuItem(String name, String icon) {
		MenuItem mit = new MenuItem(name);
		mit.setBackground(getLookAndFeel().getBackgroundDark());
		mit.setForeground(getLookAndFeel().getForeGround());
		mit.setBorder(new Border(0, null, Border.STYLE_NONE));
		mit.setRolloverEnabled(true);
		mit.setRolloverBackground(getLookAndFeel().getBackgroundDark2());
		mit.setRolloverBorder(new Border(0, null, Border.STYLE_NONE));
		mit.setFont(new Font(Font.VERDANA, Font.PLAIN, new Extent(11)));
		if (icon != null) {
			mit.setIcon(PDUtil.getImage(icon));
		} else {
			mit.setIcon(PDUtil.getImage("img/empty16.gif"));
		}
		return mit;
	}

	public MenuItem getMenuItem(String name) {
		return getMenuItem(name, null);
	}

	protected abstract void onInit();

	public void setDesktop(EccosDesktop desktop) {
		this.desktop = desktop;
	}

	public void showFading(final Component c) {
		desktop.showFading(c);
	}

	public abstract void updateMenu();

	protected void loggingOut() {
		//Empty
	}
}
